What is the first principle of parliamentary procedure?

The first principle of parliamentary procedure, which states that only one subject may claim the attention of the assembly at one time, ensures that discussions and decision-making processes are organized and efficient. By focusing on a single topic, it allows members to engage in a clear and constructive debate without confusion or distraction that may arise from multiple simultaneous discussions. This principle helps maintain order during meetings and aids in reaching resolutions effectively, enabling the assembly to make informed decisions without being overwhelmed by multiple issues at once.

The other choices reflect important aspects of parliamentary procedure; however, they address different rights and functions within the broader framework. For instance, full and free debate is crucial for thoughtful discussion, equality among members promotes fairness, and the will of the majority emphasizes the decision-making process. Yet, these principles are upheld only when the assembly adheres to the fundamental rule that it must concentrate on one subject at a time.